<template>
  <div id="app">
    <el-container>
      <el-header>
        <h1>图书管理系统</h1>
      </el-header>
      <el-main>
        <BookTable :books="books" @add-book="addBook" @delete-book="deleteBook"></BookTable>
      </el-main>
    </el-container>
  </div>
</template>

<script>
import BookTable from './components/BookTable.vue';

export default {
  name: 'App',
  components: {
    BookTable
  },
  data() {
    return {
      books: [
        {"id": 1, "title": "Python编程", "author": "John Doe", "copies": 4},
        {"id": 2, "title": "历史的秘密", "author": "Jane Smith", "copies": 3},
        {"id": 3, "title": "宇宙探索", "author": "Emily Brown", "copies": 2},
        {"id": 4, "title": "健康生活", "author": "Mike Johnson", "copies": 5},
        {"id": 5, "title": "数学之美", "author": "Sarah Lee", "copies": 4},
        {"id": 6, "title": "艺术欣赏", "author": "David White", "copies": 3},
        {"id": 7, "title": "编程入门", "author": "Alice Green", "copies": 2},
        {"id": 8, "title": "科幻世界", "author": "Frank Black", "copies": 5},
        {"id": 9, "title": "自然奇观", "author": "Grace Blue", "copies": 4},
        {"id": 10, "title": "音乐之声", "author": "Tom Red", "copies": 3}
      ]
    }
  },
  methods: {
    addBook(book) {
      this.books.push(book);
    },
    deleteBook(id) {
      const index = this.books.findIndex(book => book.id === id);
      if (index !== -1) {
        this.books.splice(index, 1);
      }
    }
  }
}
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
}
</style>